NU SASH tilt windows

My windows won't stay up. The pivot lock shoe is intact. The problem is the sash pivot bar comes out of the metal cam. Do I need to chance the bar, the cam, or everything?

Please help
Nancy

Tom from SWISCO responded:

June 7, 2013

Hmmm... I'm not sure what the problem could be. Your cam doesn't look damaged. Let me ask you a question: when you put the pivot bar in the cam, is the lip on the pivot bar head on the inside or the outside of the cam? The head needs to go entirely inside the cam, not just the tip.

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